Moen TS310 Waterhill Posi-Temp Tub/Shower Valve Only Faucet, Chrome chrome finish to create a bright, highly reflective, cool grey metallic look lever design for ease of use PosiTemp pressure-balancing valve maintains water pressure and controls temperature M-PACT common valve system Moen Posi-Temp valve not included No. Valve 2510 or 2590 or 2570 or 2520. sold separately required for operation